{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Upon internalization in HeLa cells and when a high frequency AC magnetic field ( 14mT at 750kHz ) was applied , the developed delivery system elicited an 18 % increase in cell toxicity , associated with augmented DOX release kinetics ."}
{"Chemical": ["DOX"]}